Home / 993,719.52-1,371,263.76-564,008.40

Finding the Fourth Proportional to 993,719.52, 1,371,263.76 and 564,008.40

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Solution

The fourth proportional to 993,719.52, 1,371,263.76 and 564,008.40 is: 778,292.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,719.52 : 1,371,263.76 = 564,008.40 : x
  2. Step 2: Convert to fraction form
    993,719.52/1,371,263.76 = 564,008.40/x
  3. Step 3: Cross multiply
    993,719.52x = 1,371,263.76 × 564,008.40
  4. Step 4: Simplify right side
    993,719.52x = 773,404,279,255.58
  5. Step 5: Solve for x
    x = 773,404,279,255.58/993,719.52
  6. Step 6: Final answer
    x = 778,292.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.